MESON Chess Problem Database

Problem Display
PID: 24899 (r3k3/3R3R/p6K/8/8/8/8/8 w q - 0 1)

Havel, Miroslav

Besody listy, 1918

r3k3/3R3R/p6K/8/8/8/8/8

#2

3 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rh8#
  • Tries
    • 1.Ra7?
      • threat
        • 2.Rxa8#
        • 2.Rh8#
      • 1...Kd8
        • 2.Rxa8#
        • 2.Rh8#
      • 1...Kf8
        • 2.Rxa8#
        • 2.Rh8#
      • 1...0-0-0
        • 2.Ra8#
      • 1...Rb8
        • 2.Rh8#
      • 1...Rc8
        • 2.Rh8#
      • 1...Rd8
        • 2.Rh8#
      • 1...Rxa7!
    • 1.Rc7?
      • threat
        • 2.Rh8#
      • 1...Kf8
        • 2.Rh8#
      • 1...Kd8!
    • 1.Rdg7?
      • threat
        • 2.Rg8#
        • 2.Rh8#
      • 1...Kd8
        • 2.Rg8#
        • 2.Rh8#
      • 1...Kf8
        • 2.Rh8#
      • 1...0-0-0!
  • Keys
    • 1.Rb7!
      • threat
        • 2.Rh8#
      • 1...Kd8
        • 2.Rh8#
      • 1...Kf8
        • 2.Rh8#
      • 1...0-0-0
        • 2.Rhc7#

This anticipates 64310(1918), 64311(1945), 34176(1990)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::R(C)
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);0-0-0::R(B)
        • R(b);::R(C)
        • R(b);SBLOCK::R(C)
      • Refutation
        • R(b);XR(B)
    • Try
      • R(B);
      • Threat
        • R(C)
      • Vars
        • K(c);P-FLIGHT::R(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);P-FLIGHT::R(C)
      • Refutation
        • K(c);0-0-0
  • Actual
    • R(B);
    • Threat
      • R(C)
    • Vars
      • K(c);P-FLIGHT::R(C)
      • K(c);0-0-0,OGATEB::R1(C)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).